JBL Partybox 330 vs JBL Boombox 3

Last updated: September 26, 2026

Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The JBL Partybox 330 ranks #2 of 40 party speakers by sound quality at $549.95; the JBL Boombox 3 ranks #24 of 76 boombox speakers by sound quality at $399.

JBL Partybox 330 vs JBL Boombox 3

Why pick the JBL Partybox 330: A highly complete rolling party speaker: removable battery, telescoping handle and wheels, light show, Auracast, USB-C lossless and optical inputs, plus dual mic/guitar inputs. The catch: It remains very large and heavy, and the sound improvement over the JBL Partybox Stage 320 is modest rather than transformational.

Why pick the JBL Boombox 3: IP67 rated. Watch for: Dips in mid bass range which makes the bass sound undefined, bass boosted, peaky at 700Hz, not quite as good mids and treble as the Blast.

Buy the JBL Partybox 330 at $549.95 for a party speaker, or the JBL Boombox 3 at $399 for a boombox speaker instead.

Water resistance is not close: the JBL Boombox 3 is rated at IP67 (brief submersion), well ahead of the JBL Partybox 330 at IPX4 (splashing).

Want more options? Browse the full Portable Bluetooth rankings.

Specifications Side By Side

JBL Partybox 330 JBL Boombox 3
Price$549.95$399.00
Ranked#2 of 40 in Party Size Portable Bluetooth Speakers#24 of 76 in Boombox Size Portable Bluetooth Speakers
AppYesNo
Aux InputYesYes
Battery Life18 hours (Manufacturer specified)24 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC
Bluetooth Version6.05.3
Charging Time3 hours-
Drivers2x 6.5” (165mm) woofers + 2x 1” (25mm) PEN dome tweeters1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters
EQYes (Smart EQ mode)No
Guitar InputYes-
IP RatingIPX4IP67
Microphone InputYes (Karaoke mode with echo effect)No
InputsOptical-
Party ModeYes (Auracast)Yes (PartyBoost up to 100 speakers)
Power BankYes (USB-C, 5V/1A)Yes (USB-A)
Power InputAC Power cordAC Power cable
Removable BatteryYes-
StereoPartiallyYes
OmnidirectionalNoNo
TWSYesYes
USB PlaybackYesNo
Weight37.7 lbs (17.1 kg)14.8 lbs (6.7 kg)
Amplifier Power280W180W AC / 136W battery
Digital Aux InputNoNo
LightsYes-
WheelsYes-
Dimensions26.1”H x 13.1”W x 14.8”D (662.5 x 334 x 375 mm)19” x 10.1” x 7.9” (482 x 257 x 200 mm)
StrapNoNo
Aux Latency-25ms
Bass Extension (-10dB)-43Hz
Bluetooth Latency-100ms
Maximum SPL-110dB (measured by Alan Ross Reviews)
Built-in Microphone-No
FM Tuner-No
MicroSD Playback-No

How JBL Partybox 330 compares with other leading options:

Prices on this page were last checked September 26, 2026 at 11:14 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

JBL Partybox 330: $549.95 Amazon B&H Photo Video eBay

JBL Partybox 330 ranking card

Pros: A highly complete rolling party speaker: removable battery, telescoping handle and wheels, light show, Auracast, USB-C lossless and optical inputs, plus dual mic/guitar inputs. It supplies a little more power than the JBL Partybox 310 and JBL Partybox Stage 320, while reviewers report better midrange clarity than the older JBL Partybox 310 and the same deep party-speaker bass.

Cons: It remains very large and heavy, and the sound improvement over the JBL Partybox Stage 320 is modest rather than transformational. JBL removed the dedicated mic gain/control knobs found on earlier models, a real drawback for frequent karaoke use. Do not upgrade from a JBL Partybox 310 or JBL Partybox Stage 320 just for the higher watt figure.

Amplifier Power280W
AppYes
Aux InputYes
Battery Life18 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version6.0
Charging Time3 hours
Digital Aux InputNo
Dimensions26.1”H x 13.1”W x 14.8”D (662.5 x 334 x 375 mm)
Drivers2x 6.5” (165mm) woofers + 2x 1” (25mm) PEN dome tweeters
EQYes (Smart EQ mode)
Guitar InputYes
IP RatingIPX4
InputsOptical
LightsYes
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Party ModeYes (Auracast)
Power BankYes (USB-C, 5V/1A)
Power InputAC Power cord
Removable BatteryYes
StereoPartially
StrapNo
TWSYes
USB PlaybackYes
Weight37.7 lbs (17.1 kg)
WheelsYes

JBL Boombox 3: $399.00 Amazon eBay

JBL Boombox 3 ranking card

Newer model: the JBL Boombox 4, rated 4/5.

Pros: IP67 rated. 24 hour battery life (6.5 hour charge time). Doubles as a power bank. PartyBoost links up to 100 compatible JBL speakers. Three-way speaker system with subwoofer. Measured bass extension of 43Hz (-10dB).

Cons: Dips in mid bass range which makes the bass sound undefined, bass boosted, peaky at 700Hz, not quite as good mids and treble as the Blast.

Amplifier Power180W AC / 136W battery
AppNo
Aux InputYes
Aux Latency25ms
Bass Extension (-10dB)43Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency100ms
Bluetooth Version5.3
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions19” x 10.1” x 7.9” (482 x 257 x 200 mm)
Drivers1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters
EQNo
FM TunerNo
IP RatingIP67
Maximum SPL110dB (measured by Alan Ross Reviews)
MicroSD PlaybackNo
Microphone InputNo
OmnidirectionalNo
Party ModeYes (PartyBoost up to 100 speakers)
Power BankYes (USB-A)
Power InputAC Power cable
StereoYes
StrapNo
TWSYes
USB PlaybackNo
Weight14.8 lbs (6.7 kg)